129 results about "Arthroscopes" patented technology

The invention discloses a joint injury identification method and system based on arthroscopic imaging. The method comprises the steps that an original image, collected by an arthroscope, of intra-articular tissue is acquired; sequentially performing denoising, artifact removal and deblurring processing on the original image to obtain a preliminary original image; performing corresponding semantic segmentation according to the initial original image so as to segment sub-regions corresponding to different tissues on the initial original image, and performing image enhancement on the different sub-regions by adopting corresponding image enhancement strategies to obtain a target image; and performing visual display on the target image through a display device so as to perform joint injury identification on the current joint. According to the method, arthroscope imaging is enhanced, and medical staff are assisted in recognizing the joint injury state.

Systems for fusing arthroscopic video data are described. A system comprises an arthroscopic assembly, an inertial measurement unit (IMU) mounted on the arthroscopic assembly, a processor, and a processor-readable storage medium. An arthroscopic surgical plan, images from the arthroscopic assembly, and measurements from the IMU may be obtained. The images and the measurements may be combined to form a data combination. The data combination may be filtered to form a fused data set. The fused data set may control a device. A map of an arthroscopic surgical site may be created based on the fused data set, and a position of the arthroscopic assembly with respect to the arthroscopic surgical site may be calculated. The arthroscopic surgical plan may be updated based on at least one of the map of the arthroscopic surgical site and the position of the arthroscopic assembly.

The invention relates to the technical field of medical image processing and surgical navigation, in particular to an arthroscopic surgery real-time navigation method and system based on multi-modal image fusion, and the method comprises the following steps: S1, collecting preoperative CT (Computed Tomography) or MRI (Magnetic Resonance Imaging) data of a patient to generate a three-dimensional model, and collecting an intra-operative arthroscopic real-time video to provide input data for subsequent registration; and S2, performing image preprocessing, including denoising and enhancement, on the three-dimensional model and the arthroscope video, and extracting key anatomical features and lesion boundaries to obtain a processing result which can be used for registration. According to the method, the preoperative three-dimensional model and the intra-operative arthroscope real-time video are fused, and multi-strategy registration, closed-loop correction and dynamic updating are combined, so that continuous registration and real-time navigation of multi-modal data are realized, and the problems that the traditional arthroscope surgical navigation mostly depends on a single-modal image, and the navigation accuracy is low are solved. And the problem of insufficient intraoperative registration precision caused by lack of multi-source information fusion is solved.

The utility model relates to the technical field of endoscopic surgical instruments, in particular to a disposable arthroscope which comprises a sheathing canal main body provided with a hollow cavity, a sheathing canal seat arranged at the tail end, a plug arranged at the head end, an observation channel and an instrument channel which are communicated with the hollow cavity and arranged on the plug, and a miniature camera fixedly arranged in the observation channel. A control line connected with the miniature camera penetrates through the hollow cavity to be fixed in the sheath tube seat, a line tube for the control line to penetrate through is arranged at one end, close to the sheath tube body, of the observation channel, the miniature camera abuts against the line tube, a mounting hole capable of containing the sheath tube is formed in the sheath tube seat, and the tail end of the miniature camera is inserted into the mounting hole. The sheath tube base is further provided with an instrument hole and a line hole which are communicated with the mounting hole, and the control line is fixedly arranged in the line hole. According to the disposable arthroscope, the double-channel plug is arranged at the head end of the sheathing canal, and an observation channel and an instrument channel are integrated on the same sheathing canal, so that the observation view can better meet the operation requirement, and the operation efficiency is improved.

An optical cannula system can include a cannula, a body, a first tube, a second tube, and a valve assembly. An outer cannula wall can define an interior space extending along an axis of the cannula. One or more inner cannula walls within the outer cannula wall can divide the interior space into a first channel and a second channel. A proximal portion of the cannula can be received within the body. The first and second tubes can extend from the body. The valve assembly can have a first configuration in which the first tube is in fluid communication with the first channel and the second tube is in fluid communication with the second channel. The valve assembly can have a second configuration in which the first tube is in fluid communication with the second channel and the second tube is in fluid communication with the first channel.

The invention discloses an arthroscope with a variable viewing angle for orthopedic surgery, and relates to the technical field of medical instruments, the arthroscope comprises a control handle, the control handle is provided with an arthroscope body in a penetrating manner, the end part of the arthroscope body is provided with an auxiliary disc, the auxiliary disc is provided with an LED light source for auxiliary illumination, and the side of the LED light source is provided with a camera. According to the arthroscope with the variable visual angle for the orthopedic surgery, when a user needs to adjust the angle of a camera, the user only needs to rotate a rotary knob, so that a visual angle adjusting mechanism starts to operate, the internal pressure of a micro soft actuator is increased at the moment, and deformation and bending occur; the deformed and bent miniature soft actuator can synchronously drive the auxiliary disc to perform angle change, so that the camera is further adjusted, an operator can realize visual angle adjustment only by adjusting a knob, the operation of angle adjustment is simplified, the operation efficiency is improved, a wider visual field is provided for an operation, and the operation safety is improved. And the flexibility of surgical operation is improved.

The invention discloses a head-steerable arthroscope planer tool based on soft hydraulic drive, which comprises an operating handle and a hollow main rod connected with the operating handle, the free end of the hollow main rod is connected with a soft driver, and the soft driver comprises a soft tube. A central channel is formed in the side wall of the flexible pipe, a plurality of axially-arranged hydraulic cavities are formed in the side wall of the flexible pipe around the central channel, a planing window is formed in one side of the free end of the flexible pipe, a rotatable planing tool bit is arranged in the planing window, and a liquid pump, a control module and a low-pressure liquid storage device connected with the liquid pump are installed in the operating handle; a plurality of fluid control valves in one-to-one correspondence with the hydraulic cavities are further arranged in the operating handle, the fluid control valves are communicated with the hydraulic cavities through corresponding hydraulic micro-pipes, the hollow main rod is provided with a flexible transmission shaft connected with the planing tool bit, and one end of the flexible transmission shaft is connected with a motor. The planer tool can solve the problems that an existing planer tool for the arthroscope cannot continuously adjust the working angle and cannot actively adapt to complex anatomical forms.

The utility model relates to a semi-open type arthroscope retractor, which belongs to the technical field of medical instruments and comprises a main body ring, an extension ring and a retraction sheet, the extension ring is connected and communicated with the main body ring, the main body ring is used for being held by a hand of an operator, the extension ring is used for extending the position of the retraction sheet, the retraction sheet is fixedly connected to the bottom of the extension ring, and the retraction sheet is fixedly connected with the extension ring. And the retraction sheet is an arc-shaped sheet. Due to the annular design of the main body and the extension ring, a tool can extend into a notch position from a central position for operation.

This invention provides a biomimetic training model for temporomandibular arthroscopic disc reduction and suturing. The biomimetic training model includes: a skull model with several traction positioning components; a simulated articular disc; a simulated joint capsule including a superior and inferior joint capsule, which are respectively connected to the upper and lower surfaces of the simulated articular disc; the superior joint capsule has an upper opening, and the inferior joint capsule has a lower opening; a temporal bone connector connected to the upper opening and detachably connected to the temporal bone of the skull model; a mandibular bone connector connected to the lower opening and detachably connected to the mandible of the skull model; and several traction components, one end of which is connected to the simulated articular disc, and the other end is adapted to be detachably connected to the traction positioning components, thereby adapting the shape and position of the simulated articular disc by connecting the traction components to the traction positioning components.

The application relates to the technical field of deep learning, in particular to an arthroscopic image real-time abnormality recognition system based on deep learning. The system identifies the high light performance degree of different regions in the image during model recognition, analyzes the high light performance and the probability value deviation of interframe pixel points, extracts the dynamic change trend of the target region pixel points in continuous frames, and obtains the consistent degree of performance in time sequence. The system further analyzes the covering influence of high light on the region in the time sequence video, and then adjusts the segmentation confidence degree by using the segmentation degree of the pixel points in the initial target region which is influenced by the high light, compensates the region information which is partially blocked or blurred through multi-frame fusion, and obtains the final target region for model training. Through interframe high light feature and region fusion processing, the application reduces error accumulation and high light interference, obtains a more accurate and complete abnormal region, and effectively improves the recognition precision of deep learning.

The present application relates to a kind of arthroscopic approach water leakage prevention device, including the elastic cover with dome structure, the sealing valve being arranged in the center position of cover and negative pressure suction mechanism, sealing valve has the conical hollow structure extending to base direction and gradually reducing outer diameter, reverse compensation sealing is realized using joint cavity infusion liquid pressure, cover base edge is equipped with flexible sealing skirt, by the negative pressure interface connection external negative pressure source, so that cover and skin form negative pressure sealing space, the device can be connected in series by negative pressure interface multiple occluder, and equipped with detachable guide rod auxiliary coaxial positioning.The present application uses non-insertion type surface adsorption occlusion, effectively solve the space interference and tissue damage problem in multiple tunnel operation, realize the dynamic water stop of pressure self-adaption, with the advantages of simple operation, sealing stable, strong dissection adaptability, can significantly improve the operation visual clarity and maintain joint cavity pressure stability.

An arthroscopic cutting probe includes an outer sleeve having a longitudinal bore and an outer cutting window at its distal end. An inner sleeve is rotationally disposed in a bore of the outer sleeve, and the inner sleeve has a distal end, a proximal end, a longitudinal passageway, and an inner cutting window at its distal. An active electrode sleeve is disposed on an outer surface of the inner sleeve in a position opposed to the inner cutting window. Rotation of the inner sleeve relative to the outer sleeve causes the inner cutting window to rotate past the outer cutting window to resect tissue received through the cutting windows as they pass each other. Radiofrequency current can be applied to the active electrode to enhance tissue cutting then the cutting windows are being rotated or to able or cauterize tissue when the cutting windows are held stationary with the active electrode disposed through the outer cutting window.

The invention relates to the technical field of medical instruments, and discloses an arthroscope waste liquid suction device with a rapid self-cleaning function, the arthroscope waste liquid suction device comprises a negative pressure device, the two sides of the negative pressure device are fixedly connected with storage tanks, the tops of the storage tanks are provided with tank covers, and the tank covers are provided with feeding ports; a filtering and separating mechanism is arranged on the outer side of the tank cover and comprises a servo motor fixedly connected to the top end of the tank cover, a filtering rotary drum and a separating rotary drum, the filtering rotary drum and the separating rotary drum are rotationally connected with the tank cover, and a placing hook is fixedly connected to the outer side of the negative pressure device; a smashing and pushing mechanism is arranged on the outer side of the containing hook, a cleaning mechanism is arranged on the outer side of the negative pressure device, and an emptying exhaust valve port is formed in the outer side of the storage tank. By means of the differential double rotating drums and the reciprocating smashing and cleaning mechanism, chipping cutting and smashing, solid-liquid separation and blockage prevention are achieved, and the pipeline can be cleaned in situ to avoid infection.

An arthroscopic surgery system and method are provided that simplifies arthroscopic surgery by using remotely controllable instruments. The system includes a frame configurable to extend over or alongside at least a portion of a patient to be operated; and one or more surgical arms extending from the frame. Each of the plurality of surgical arms includes an arthroscopic instrument. A plurality of surgical arms and associated arthroscopic instruments may be remotely controlled by a user interface to perform an arthroscopic procedure.

The invention provides an arthroscope distraction device and a control method thereof. The arthroscope distraction device comprises a fixing structure, a position adjusting mechanism and an intelligent adjusting type distraction mechanism. The intelligent adjusting type distraction mechanism comprises a mounting frame, distraction devices are rotationally connected to the two sides of the mounting frame respectively, each distraction device comprises a linkage joint and an arc-shaped distraction arm, and the opposite faces of the two arc-shaped distraction arms are each provided with at least one miniature probe; at least one spreader is further provided with an angle sensor, the mounting frame is further provided with a visual sensor and a control assembly, the visual sensor is located between the two spreaders, and the control assembly controls the spreading angles of the spreaders according to the monitoring condition of the miniature probe and / or the visual sensor; the position adjusting mechanism is used for adjusting the space position and the space angle of the intelligent adjusting type opening mechanism according to the monitoring condition of the miniature probe and / or the visual sensor. According to the scheme, precise opening of the joints can be achieved according to the symptoms of a patient, and meanwhile dynamic autonomous adjustment is achieved through real-time feedback.

The invention relates to a single-channel minimally invasive arthroscope sheath which comprises a sheath body, and an observation cavity and an operation cavity are formed in the sheath body in the length direction of the sheath body. A spacer is arranged between the observation cavity and the operation cavity, and the axis of the observation cavity and the operation cavity form a cooperative working area in front of the imbedding end. According to the endoscopic sheath, a single-channel and double-function minimally invasive surgery mode is fundamentally realized. Through the physical isolation of the spacer and the space angle design of the observation cavity and the operation cavity, it is ensured that the arthroscope and the surgical instrument are parallel and do not interfere with each other in a single channel. In the operation process, the arthroscope can obtain a stable and clear operation field, a surgical instrument can directly reach an operation area in the preset direction, the arthroscope and the surgical instrument converge in a target area to form effective cooperation, and therefore a single incision is used for replacing traditional double channels, the wound area is reduced, and on the premise that operation operability is guaranteed, operation efficiency is improved. The number of channels is further reduced, and a more minimally invasive arthroscope sheath structure is achieved.

Disclosed herein are systems for implanting anchors and method of use thereof. The systems and methods can include an anchor punch, an anchor inserter, and a controller. The anchor punch can include an anchor punch sensor. The anchor inserter can include an anchor inserter sensor. The controller can be in electrical communication with the anchor punch sensor and the anchor inserter sensor. The controller can be operative to perform operations that include receiving an anchor punch sensor signal from the anchor punch sensor, recommending a number of anchors to be implanted in the bone based on a first estimate of the bone quality, receiving an anchor inserter signal from the anchor inserter sensor, and recommending a number of additional anchors to be implanted in the bone based on a second estimate of the bone quality.

The invention relates to the field of auxiliary instruments for wrist arthroscopic surgery, and particularly discloses a wrist arthroscopic channel stabilizing device which comprises a groove type sleeve made of a disposable vein infusion tube, the tube wall of the groove type sleeve is cut off in the longitudinal direction to form an open groove, the two ends of the groove type sleeve are cut to be smooth, and the length of the groove type sleeve is suitable for a wrist arthroscopic surgery approach; by establishing the stable channel, the instrument can freely slide along the groove wall of the stable channel, repeated friction and injury of the surgical instrument to subcutaneous tissues around an approach, such as joint capsules, blood vessels, nerves and tendons, are effectively avoided, surgical wounds are remarkably reduced, multiple times of access of the same channel can be ensured, no tissue implication is caused, and the surgical efficiency is improved. By the adoption of the structure, intra-articular operation can be rapidly transferred to be conducted outside the joint, the annular design reduces compression damage to channel tissue, it is guaranteed that the sleeve always exists, and the open type notch design enables an operation instrument to obtain a free operation space.

The invention relates to the technical field of medical instruments, in particular to a shoulder arthroscopy lateral position abduction traction frame which comprises a main frame, a traction rod and a traction rope, a sliding rail is vertically and fixedly installed on the main frame, a lifting block is vertically and slidably installed on the sliding rail, one end of the traction rope is fixedly connected with the lifting block through a traction assembly, and the other end of the traction assembly is fixedly connected with the traction rod. A water tank is fixedly installed on the main frame, a water outlet pipe is installed at the bottom end of the water tank, a water inlet pipe is installed at the upper end of the weight box, the water outlet pipe and the water inlet pipe are communicated through a connecting water pipe, and a water level window is formed in the side face of the weight box. And water level scales are arranged on the water level window. A medical worker can control the traction force on the arm by controlling the water level in the weight box, the situation that the traction force is too large or too small, and consequently the operation progress is affected is prevented, it is guaranteed that the operation effect is better, and the disease of a patient is thoroughly solved.

Floor drainage system in arthroscopic operating rooms, including: - a first module for the drainage of liquids and biological material installed in correspondence with at least a portion of an operating room floor; - a second module (2) for the conveyance of liquids and biological material, connected to the first module and installed below at least a portion of an operating room floor; - a third module (3) for filtering liquids and biological material, connected to the second module (2); - a fourth module (4) for the collection of liquids and biological material, connected to the third module (3).

A system and method are disclosed for computer aided landmark determination for use in arthroscopic surgery.

The present application relates to the technical field of medical devices, in particular to an angle-adjustable micro-fracture sharp cone for arthroscopy, comprising: a detachable angle-adjusting assembly, a handle and a drill bit assembly; a plurality of entry channels are arranged on the angle-adjusting assembly, the plurality of entry channels correspond to one extension channel, and a one-to-multiple channel structure is formed in the angle-adjusting assembly; the entry channels and the extension channel of the angle-adjusting assembly form different included angles; the handle can be detachably connected with any entry channel of the angle-adjusting assembly, and the drill bit assembly can be detachably connected with only the unique extension channel of the angle-adjusting assembly; a universal flexible shaft can be sequentially penetrated through the handle and the angle-adjusting assembly and rotationally connected with the drill bit assembly, and the universal flexible shaft and the rotating end of the drill bit assembly abut and keep synchronous rotation.

An optical sleeve system may include a sleeve, a body, a first tube, a second tube, and a valve assembly. An outer sleeve wall may define an internal space extending along the axis of the sleeve. One or more inner sleeve walls within the outer sleeve wall may divide the internal space into a first channel and a second channel. A proximal portion of the sleeve may be received within the body. The first and second tubes may extend from the body. The valve assembly may have a first configuration in which the first tube is in fluid communication with the first channel and the second tube is in fluid communication with the second channel. The valve assembly may have a second configuration in which the first tube is in fluid communication with the second channel and the second tube is in fluid communication with the first channel.

The invention belongs to the technical field of medical instruments, and relates to an auxiliary surgical instrument for arthroscopic treatment of carpal tunnel syndrome, which comprises a cannula, a tail cap connected with the cannula and a slotting structure arranged on the back of the middle section of the cannula. The cannula is used for forming a continuous tissue isolation channel in the carpal canal, the tail cap is used for achieving stable connection of the arthroscope and the cannula and keeping the axis consistent, and the open groove corresponds to the area where the transverse ligament of the carpal canal is located after the instrument is positioned and is used for forming a controlled local operation window. Through cooperation of the cannula, the tail cap and the open groove in spatial position and function, the arthroscope view, the tissue protection area and the surgical operation window form a stable whole, and on the premise that the cannula continuously isolates and protects tissue in the carpal canal, visual and directional release of the transverse ligament is achieved. The arthroscope device is simple in structure, controllable in operation, beneficial for improving operation safety and stability and suitable for arthroscope treatment of the carpal tunnel syndrome.

The application discloses an electronic arthroscope, which comprises a sheath and a mirror core and a handle, the end of the mirror core far from the handle is a front end, the front end of the mirror core is a mirror core head, at least two camera modules are sequentially arranged on the mirror core head from the front end to the rear end within the range of 0-90 degrees with the axial direction of the mirror core, the included angle between the optical axis of all camera modules and the axis of the mirror core head is different, the camera module at the rear end is arranged in the dead angle area of the previous camera module, and the shooting ranges of any two camera modules partially overlap. At least two camera modules with different inclination angles are arranged on the mirror core head, so that multi-angle observation of the lesion position can be realized without replacing the mirror core or alternating use of multiple mirror cores with different shooting angles, and the problems of single observation angle and large visual dead angle of the arthroscope in the prior art are solved.

The invention discloses an arthroscope ankle joint outer side ligament reinforced suture operator, which comprises a sighting device and a thread passing device, the sighting device comprises a base and an adjusting assembly movably installed on the base, the adjusting assembly is provided with a fastener used for limiting the relative position of the adjusting assembly and the base, the adjusting assembly is provided with a thread outlet hole for accommodating the thread passing device, and the thread passing device is provided with a thread guide hole. The wire passing device is inserted into a wire outlet hole in the adjusting assembly. The sighting device is fixed on a bone tissue through the two kirschner wires, the thread passing device is placed on the guide shaft in the sighting device, and the thread passing device can flexibly move to a required position and is fixed by flexibly adjusting the position of the guide shaft, so that the suture is quickly and accurately reinforced, and the injury caused by repeated puncture completely according to the experience of an operator is avoided.

Disclosed herein are systems for implanting anchors and method of use thereof. The systems and methods can include an anchor punch, an anchor inserter, and a controller. The anchor punch can include an anchor punch sensor. The anchor inserter can include an anchor inserter sensor. The controller can be in electrical communication with the anchor punch sensor and the anchor inserter sensor. The controller can be operative to perform operations that include receiving an anchor punch sensor signal from the anchor punch sensor, recommending a number of anchors to be implanted in the bone based on a first estimate of the bone quality, receiving an anchor inserter signal from the anchor inserter sensor, and recommending a number of additional anchors to be implanted in the bone based on a second estimate of the bone quality.

The invention provides an arthroscope. The arthroscope comprises a sleeve, a control part and a lens body tube, the control part is connected with the near end of the sleeve, the far end of the sleeve is provided with an inclined puncture end face, the lens body tube is movably arranged in the sleeve in a penetrating mode, a lens assembly is arranged at the far end of the sleeve, and the lens assembly is electrically connected with the control part; at least one part of the control button is arranged in the sliding groove in a sliding mode, a limiting structure is arranged in the sliding groove, the control button is provided with a plurality of preset control positions arranged at intervals in the sliding direction, and the limiting structure is used for limiting and stopping the control button when the control button reaches the preset control positions; the near end of the endoscope body tube is connected with the control button so as to extend out of or retract into the sleeve along with sliding of the control button. The arthroscope solves the problem that an arthroscope in the prior art is inconvenient to operate.

The application discloses a kind of arthroscope devices, it is related to arthroscope technical field, including mirror sheath body, arthroscope body and guide sealing structure;Wherein guide sealing structure includes the sealing portion that is axially arranged along the heteromorphic cavity, guide portion, boost portion and self-locking portion, sealing portion includes sealing structure, support structure and tensile structure, the folding avoidance of sealing structure is realized when mirror tube insertion by the sealing portion of guide sealing structure and tensile structure cooperation, avoid the continuous friction and abrasion of traditional sealing ring, significantly improve sealing and service life, reduce the risk of liquid leakage;The adjusting structure of its guide portion drives guide structure to form self-adapting inverted taper channel in conical cavity, combined with self-locking portion to realize the radial locking of mirror tube, realize fast and accurate insertion, reduce the difficulty and risk of operator operation arthroscope body insertion.

A wrist arthroscopy-assisted positioning device, belonging to the field of medical assistive device technology, includes a support rod. The lower end of the support rod is equipped with a clamping mechanism for connection to an operating table. An arm pressure plate and a hanger are adjustablely mounted on the outer surface of the support rod. An elastic finger sleeve is fixedly installed inside the hanger, and a U-shaped carrier rod is slidably mounted on the lower surface of the hanger. A carrier plate is slidably mounted inside the U-shaped carrier rod. A window is perforated on the outer surface of the carrier plate, and a positioning ring is rotatably mounted inside the window. In use, this device allows adjustment of the puncture positioning direction by adjusting the position of the U-shaped carrier rod below the hanger, and the puncture positioning height can be changed by adjusting the height of the carrier plate. During puncture, tilting the puncture needle causes the positioning ring to rotate, thus adjusting the puncture angle. The device is highly versatile and greatly facilitates the support and positioning of the wrist arthroscopy puncture needle during surgery.